US PATENT SUBCLASS 236 / *
.~ Pressure-operated valve
Current as of:
June, 1999
Click
HD
for Main Headings
Click for
All Classes
Internet Version by
PATENTEC
© 1999
     
Terms of Use
236 /
HD
AUTOMATIC TEMPERATURE AND HUMIDITY REGULATION
*
DD
TRAPS
{3}
*
.~ Pressure-operated valve {1}
54
DF
.~.~
> Thermostatic pilot